refactor
This commit is contained in:
Gunther Schulz
@@ -0,0 +1,316 @@
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//+------------------------------------------------------------------+
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//| Broker.mqh |
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//| Gunther Schulz |
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//| https://github.com/khramkov/MQL5-JSON-API |
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//+------------------------------------------------------------------+
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#property copyright "Gunther Schulz"
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#property link "https://github.com/khramkov/MQL5-JSON-API"
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//+------------------------------------------------------------------+
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//| Fetch positions information |
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//+------------------------------------------------------------------+
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void GetPositions(CJAVal &dataObject)
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{
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CPositionInfo myposition;
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CJAVal data, position;
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// Get positions
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int positionsTotal=PositionsTotal();
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// Create empty array if no positions
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if(!positionsTotal)
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data["positions"].Add(position);
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// Go through positions in a loop
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for(int i=0; i<positionsTotal; i++)
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{
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mControl.mResetLastError();
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if(myposition.Select(PositionGetSymbol(i)))
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{
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position["id"]=PositionGetInteger(POSITION_IDENTIFIER);
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position["magic"]=PositionGetInteger(POSITION_MAGIC);
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position["symbol"]=PositionGetString(POSITION_SYMBOL);
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position["type"]=EnumToString(ENUM_POSITION_TYPE(PositionGetInteger(POSITION_TYPE)));
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position["time_setup"]=PositionGetInteger(POSITION_TIME);
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position["open"]=PositionGetDouble(POSITION_PRICE_OPEN);
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position["stoploss"]=PositionGetDouble(POSITION_SL);
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position["takeprofit"]=PositionGetDouble(POSITION_TP);
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position["volume"]=PositionGetDouble(POSITION_VOLUME);
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data["error"]=(bool) false;
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data["positions"].Add(position);
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}
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CheckError(__FUNCTION__);
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}
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string t=data.Serialize();
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if(debug)
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Print(t);
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InformClientSocket(dataSocket,t);
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}
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//+------------------------------------------------------------------+
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//| Fetch orders information |
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//+------------------------------------------------------------------+
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void GetOrders(CJAVal &dataObject)
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{
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mControl.mResetLastError();
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COrderInfo myorder;
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CJAVal data, order;
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// Get orders
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if(HistorySelect(0,TimeCurrent()))
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{
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int ordersTotal = OrdersTotal();
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// Create empty array if no orders
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if(!ordersTotal)
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{
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data["error"]=(bool) false;
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data["orders"].Add(order);
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}
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for(int i=0; i<ordersTotal; i++)
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{
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if(myorder.Select(OrderGetTicket(i)))
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{
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order["id"]=(string) myorder.Ticket();
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order["magic"]=OrderGetInteger(ORDER_MAGIC);
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order["symbol"]=OrderGetString(ORDER_SYMBOL);
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order["type"]=EnumToString(ENUM_ORDER_TYPE(OrderGetInteger(ORDER_TYPE)));
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order["time_setup"]=OrderGetInteger(ORDER_TIME_SETUP);
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order["open"]=OrderGetDouble(ORDER_PRICE_OPEN);
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order["stoploss"]=OrderGetDouble(ORDER_SL);
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order["takeprofit"]=OrderGetDouble(ORDER_TP);
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order["volume"]=OrderGetDouble(ORDER_VOLUME_INITIAL);
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data["error"]=(bool) false;
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data["orders"].Add(order);
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}
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// Error handling
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CheckError(__FUNCTION__);
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}
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}
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string t=data.Serialize();
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if(debug)
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Print(t);
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InformClientSocket(dataSocket,t);
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}
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//+------------------------------------------------------------------+
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//| Trading module |
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//+------------------------------------------------------------------+
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void TradingModule(CJAVal &dataObject)
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{
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mControl.mResetLastError();
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CTrade trade;
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string actionType = dataObject["actionType"].ToStr();
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string symbol=dataObject["symbol"].ToStr();
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SymbolInfoString(symbol, SYMBOL_DESCRIPTION);
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CheckError(__FUNCTION__);
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int idNimber=dataObject["id"].ToInt();
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double volume=dataObject["volume"].ToDbl();
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double SL=dataObject["stoploss"].ToDbl();
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double TP=dataObject["takeprofit"].ToDbl();
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double price=NormalizeDouble(dataObject["price"].ToDbl(),_Digits);
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double deviation=dataObject["deviation"].ToDbl();
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string comment=dataObject["comment"].ToStr();
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// Order expiration section
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ENUM_ORDER_TYPE_TIME exp_type = ORDER_TIME_GTC;
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datetime expiration = 0;
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if(dataObject["expiration"].ToInt() != 0)
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{
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exp_type = ORDER_TIME_SPECIFIED;
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expiration=dataObject["expiration"].ToInt();
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}
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// Market orders
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if(actionType=="ORDER_TYPE_BUY" || actionType=="ORDER_TYPE_SELL")
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{
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ENUM_ORDER_TYPE orderType=ORDER_TYPE_BUY;
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price = SymbolInfoDouble(symbol,SYMBOL_ASK);
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if(actionType=="ORDER_TYPE_SELL")
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{
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orderType=ORDER_TYPE_SELL;
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price=SymbolInfoDouble(symbol,SYMBOL_BID);
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}
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if(trade.PositionOpen(symbol,orderType,volume,price,SL,TP,comment))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Pending orders
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else
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if(actionType=="ORDER_TYPE_BUY_LIMIT" || actionType=="ORDER_TYPE_SELL_LIMIT" || actionType=="ORDER_TYPE_BUY_STOP" || actionType=="ORDER_TYPE_SELL_STOP")
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{
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if(actionType=="ORDER_TYPE_BUY_LIMIT")
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{
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if(trade.BuyLimit(volume,price,symbol,SL,TP,ORDER_TIME_GTC,expiration,comment))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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else
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if(actionType=="ORDER_TYPE_SELL_LIMIT")
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{
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if(trade.SellLimit(volume,price,symbol,SL,TP,ORDER_TIME_GTC,expiration,comment))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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else
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if(actionType=="ORDER_TYPE_BUY_STOP")
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{
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if(trade.BuyStop(volume,price,symbol,SL,TP,ORDER_TIME_GTC,expiration,comment))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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else
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if(actionType=="ORDER_TYPE_SELL_STOP")
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{
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if(trade.SellStop(volume,price,symbol,SL,TP,ORDER_TIME_GTC,expiration,comment))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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}
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// Position modify
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else
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if(actionType=="POSITION_MODIFY")
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{
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if(trade.PositionModify(idNimber,SL,TP))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Position close partial
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else
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if(actionType=="POSITION_PARTIAL")
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{
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if(trade.PositionClosePartial(idNimber,volume))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Position close by id
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else
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if(actionType=="POSITION_CLOSE_ID")
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{
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if(trade.PositionClose(idNimber))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Position close by symbol
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else
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if(actionType=="POSITION_CLOSE_SYMBOL")
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{
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if(trade.PositionClose(symbol))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Modify pending order
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else
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if(actionType=="ORDER_MODIFY")
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{
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if(trade.OrderModify(idNimber,price,SL,TP,ORDER_TIME_GTC,expiration))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Cancel pending order
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else
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if(actionType=="ORDER_CANCEL")
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{
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if(trade.OrderDelete(idNimber))
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{
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OrderDoneOrError(false, __FUNCTION__, trade);
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return;
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}
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}
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// Action type dosen't exist
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else
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{
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mControl.mSetUserError(65538, GetErrorID(65538));
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CheckError(__FUNCTION__);
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}
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// This part of the code runs if order was not completed
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OrderDoneOrError(true, __FUNCTION__, trade);
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}
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//+------------------------------------------------------------------+
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//| TradeTransaction function |
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//+------------------------------------------------------------------+
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void OnTradeTransaction(const MqlTradeTransaction &trans,
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const MqlTradeRequest &request,
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const MqlTradeResult &result)
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{
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ENUM_TRADE_TRANSACTION_TYPE trans_type=trans.type;
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switch(trans.type)
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{
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case TRADE_TRANSACTION_REQUEST:
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{
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CJAVal data, req, res;
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req["action"]=EnumToString(request.action);
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req["order"]=(int) request.order;
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req["symbol"]=(string) request.symbol;
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req["volume"]=(double) request.volume;
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req["price"]=(double) request.price;
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req["stoplimit"]=(double) request.stoplimit;
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req["sl"]=(double) request.sl;
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req["tp"]=(double) request.tp;
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req["deviation"]=(int) request.deviation;
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req["type"]=EnumToString(request.type);
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req["type_filling"]=EnumToString(request.type_filling);
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req["type_time"]=EnumToString(request.type_time);
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req["expiration"]=(int) request.expiration;
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req["comment"]=(string) request.comment;
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req["position"]=(int) request.position;
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req["position_by"]=(int) request.position_by;
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res["retcode"]=(int) result.retcode;
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res["result"]=(string) GetRetcodeID(result.retcode);
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res["deal"]=(int) result.order;
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res["order"]=(int) result.order;
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res["volume"]=(double) result.volume;
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res["price"]=(double) result.price;
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res["comment"]=(string) result.comment;
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res["request_id"]=(int) result.request_id;
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res["retcode_external"]=(int) result.retcode_external;
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data["request"].Set(req);
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data["result"].Set(res);
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string t=data.Serialize();
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if(debug)
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Print(t);
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InformClientSocket(streamSocket,t);
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}
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break;
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default:
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{} break;
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}
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}
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//+------------------------------------------------------------------+
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